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Codebook for NHGIS data file 'nhgis0070_ds254_20215_state'
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Contents
    - Data Summary
    - Data Dictionary
    - Citation and Use
 
Additional documentation on NHGIS data sources is available at: 
    https://www.nhgis.org/documentation/tabular-data 
 
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Data Summary
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Year:             2017-2021
Geographic level: State
Dataset:          2021 American Community Survey: 5-Year Data [2017-2021, Block Groups & Larger Areas]
   NHGIS code:    2017_2021_ACS5a
   NHGIS ID:      ds254
Breakdown(s):     Geographic Subarea:
                     Total area (00)
Data type(s):     (E) Estimates
                  (M) Margins of error
 
Tables:
 
1. Sex by Age
   Universe:    Total population
   Source code: B01001
   NHGIS code:  AONT
 
2. Total Population
   Universe:    Total population
   Source code: B01003
   NHGIS code:  AON4
 
3. Educational Attainment for the Population 25 Years and Over
   Universe:    Population 25 years and over
   Source code: B15003
   NHGIS code:  AOP8
 
4. Median Household Income in the Past 12 Months (in 2021 Inflation-Adjusted Dollars)
   Universe:    Households
   Source code: B19013
   NHGIS code:  AOQI
 
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Data Dictionary
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Context Fields 
        GISJOIN:     GIS Join Match Code
        YEAR:        Data File Year
        STUSAB:      State/US-Abbreviation (USPS)
        REGIONA:     Region Code
        DIVISIONA:   Division Code
        STATE:       State Name
        STATEA:      State Code
        COUNTYA:     County Code
        COUSUBA:     County Subdivision Code
        PLACEA:      Place/Remainder Code
        TRACTA:      Census Tract Code
        BLKGRPA:     Block Group Code
        CONCITA:     Consolidated City Code
        AIANHHA:     American Indian Area/Alaska Native Area/Hawaiian Home Land Code
        RES_ONLYA:   American Indian Area/Alaska Native Area (Reservation or Statistical Entity Only) Code
        TRUSTA:      American Indian Area (Off-Reservation Trust Land Only)/Hawaiian Home Land Code
        AIHHTLI:     American Indian/Hawaiian Home Land Trust Land Indicator
        AITSA:       Tribal Subdivision/Remainder Code
        ANRCA:       Alaska Native Regional Corporation Code
        CBSAA:       Metropolitan Statistical Area/Micropolitan Statistical Area Code
        CSAA:        Combined Statistical Area Code
        METDIVA:     Metropolitan Division Code
        NECTAA:      New England City and Town Area Code
        CNECTAA:     Combined New England City and Town Area Code
        NECTADIVA:   New England City and Town Area Division Code
        UAA:         Urban Area Code
        CDCURRA:     Congressional District (2019-2021, 116th Congress) Code
        SLDUA:       State Legislative District (Upper Chamber) Code
        SLDLA:       State Legislative District (Lower Chamber) Code
        ZCTA5A:      5-Digit ZIP Code Tabulation Area Code
        SUBMCDA:     Subminor Civil Division Code
        SDELMA:      School District (Elementary)/Remainder Code
        SDSECA:      School District (Secondary)/Remainder Code
        SDUNIA:      School District (Unified)/Remainder Code
        PCI:         Metropolitan/Micropolitan Principal City Indicator
        PUMAA:       Public Use Microdata Area Code
        GEO_ID:      Census Geographic Area Identifier
        BTTRA:       Tribal Census Tract Code
        BTBGA:       Tribal Block Group Code
        TL_GEO_ID:   TIGER/Line Shapefile Geographic Area Identifier
 
Data Type (E):
    Estimates
 
        NAME_E:      Geographic Area Full Name
 
    Table 1:     Sex by Age
    Universe:    Total population
    Source code: B01001
    NHGIS code:  AONT
        AONTE001:    Total
        AONTE002:    Male
        AONTE003:    Male: Under 5 years
        AONTE004:    Male: 5 to 9 years
        AONTE005:    Male: 10 to 14 years
        AONTE006:    Male: 15 to 17 years
        AONTE007:    Male: 18 and 19 years
        AONTE008:    Male: 20 years
        AONTE009:    Male: 21 years
        AONTE010:    Male: 22 to 24 years
        AONTE011:    Male: 25 to 29 years
        AONTE012:    Male: 30 to 34 years
        AONTE013:    Male: 35 to 39 years
        AONTE014:    Male: 40 to 44 years
        AONTE015:    Male: 45 to 49 years
        AONTE016:    Male: 50 to 54 years
        AONTE017:    Male: 55 to 59 years
        AONTE018:    Male: 60 and 61 years
        AONTE019:    Male: 62 to 64 years
        AONTE020:    Male: 65 and 66 years
        AONTE021:    Male: 67 to 69 years
        AONTE022:    Male: 70 to 74 years
        AONTE023:    Male: 75 to 79 years
        AONTE024:    Male: 80 to 84 years
        AONTE025:    Male: 85 years and over
        AONTE026:    Female
        AONTE027:    Female: Under 5 years
        AONTE028:    Female: 5 to 9 years
        AONTE029:    Female: 10 to 14 years
        AONTE030:    Female: 15 to 17 years
        AONTE031:    Female: 18 and 19 years
        AONTE032:    Female: 20 years
        AONTE033:    Female: 21 years
        AONTE034:    Female: 22 to 24 years
        AONTE035:    Female: 25 to 29 years
        AONTE036:    Female: 30 to 34 years
        AONTE037:    Female: 35 to 39 years
        AONTE038:    Female: 40 to 44 years
        AONTE039:    Female: 45 to 49 years
        AONTE040:    Female: 50 to 54 years
        AONTE041:    Female: 55 to 59 years
        AONTE042:    Female: 60 and 61 years
        AONTE043:    Female: 62 to 64 years
        AONTE044:    Female: 65 and 66 years
        AONTE045:    Female: 67 to 69 years
        AONTE046:    Female: 70 to 74 years
        AONTE047:    Female: 75 to 79 years
        AONTE048:    Female: 80 to 84 years
        AONTE049:    Female: 85 years and over
 
    Table 2:     Total Population
    Universe:    Total population
    Source code: B01003
    NHGIS code:  AON4
        AON4E001:    Total
 
    Table 3:     Educational Attainment for the Population 25 Years and Over
    Universe:    Population 25 years and over
    Source code: B15003
    NHGIS code:  AOP8
        AOP8E001:    Total
        AOP8E002:    No schooling completed
        AOP8E003:    Nursery school
        AOP8E004:    Kindergarten
        AOP8E005:    1st grade
        AOP8E006:    2nd grade
        AOP8E007:    3rd grade
        AOP8E008:    4th grade
        AOP8E009:    5th grade
        AOP8E010:    6th grade
        AOP8E011:    7th grade
        AOP8E012:    8th grade
        AOP8E013:    9th grade
        AOP8E014:    10th grade
        AOP8E015:    11th grade
        AOP8E016:    12th grade, no diploma
        AOP8E017:    Regular high school diploma
        AOP8E018:    GED or alternative credential
        AOP8E019:    Some college, less than 1 year
        AOP8E020:    Some college, 1 or more years, no degree
        AOP8E021:    Associate's degree
        AOP8E022:    Bachelor's degree
        AOP8E023:    Master's degree
        AOP8E024:    Professional school degree
        AOP8E025:    Doctorate degree
 
    Table 4:     Median Household Income in the Past 12 Months (in 2021 Inflation-Adjusted Dollars)
    Universe:    Households
    Source code: B19013
    NHGIS code:  AOQI
        AOQIE001:    Median household income in the past 12 months (in 2021 inflation-adjusted dollars)
 
Data Type (M):
    Margins of error
 
        NAME_M:      Geographic Area Full Name
 
    Table 1:     Sex by Age
    Universe:    Total population
    Source code: B01001
    NHGIS code:  AONT
        AONTM001:    Total
        AONTM002:    Male
        AONTM003:    Male: Under 5 years
        AONTM004:    Male: 5 to 9 years
        AONTM005:    Male: 10 to 14 years
        AONTM006:    Male: 15 to 17 years
        AONTM007:    Male: 18 and 19 years
        AONTM008:    Male: 20 years
        AONTM009:    Male: 21 years
        AONTM010:    Male: 22 to 24 years
        AONTM011:    Male: 25 to 29 years
        AONTM012:    Male: 30 to 34 years
        AONTM013:    Male: 35 to 39 years
        AONTM014:    Male: 40 to 44 years
        AONTM015:    Male: 45 to 49 years
        AONTM016:    Male: 50 to 54 years
        AONTM017:    Male: 55 to 59 years
        AONTM018:    Male: 60 and 61 years
        AONTM019:    Male: 62 to 64 years
        AONTM020:    Male: 65 and 66 years
        AONTM021:    Male: 67 to 69 years
        AONTM022:    Male: 70 to 74 years
        AONTM023:    Male: 75 to 79 years
        AONTM024:    Male: 80 to 84 years
        AONTM025:    Male: 85 years and over
        AONTM026:    Female
        AONTM027:    Female: Under 5 years
        AONTM028:    Female: 5 to 9 years
        AONTM029:    Female: 10 to 14 years
        AONTM030:    Female: 15 to 17 years
        AONTM031:    Female: 18 and 19 years
        AONTM032:    Female: 20 years
        AONTM033:    Female: 21 years
        AONTM034:    Female: 22 to 24 years
        AONTM035:    Female: 25 to 29 years
        AONTM036:    Female: 30 to 34 years
        AONTM037:    Female: 35 to 39 years
        AONTM038:    Female: 40 to 44 years
        AONTM039:    Female: 45 to 49 years
        AONTM040:    Female: 50 to 54 years
        AONTM041:    Female: 55 to 59 years
        AONTM042:    Female: 60 and 61 years
        AONTM043:    Female: 62 to 64 years
        AONTM044:    Female: 65 and 66 years
        AONTM045:    Female: 67 to 69 years
        AONTM046:    Female: 70 to 74 years
        AONTM047:    Female: 75 to 79 years
        AONTM048:    Female: 80 to 84 years
        AONTM049:    Female: 85 years and over
 
    Table 2:     Total Population
    Universe:    Total population
    Source code: B01003
    NHGIS code:  AON4
        AON4M001:    Total
 
    Table 3:     Educational Attainment for the Population 25 Years and Over
    Universe:    Population 25 years and over
    Source code: B15003
    NHGIS code:  AOP8
        AOP8M001:    Total
        AOP8M002:    No schooling completed
        AOP8M003:    Nursery school
        AOP8M004:    Kindergarten
        AOP8M005:    1st grade
        AOP8M006:    2nd grade
        AOP8M007:    3rd grade
        AOP8M008:    4th grade
        AOP8M009:    5th grade
        AOP8M010:    6th grade
        AOP8M011:    7th grade
        AOP8M012:    8th grade
        AOP8M013:    9th grade
        AOP8M014:    10th grade
        AOP8M015:    11th grade
        AOP8M016:    12th grade, no diploma
        AOP8M017:    Regular high school diploma
        AOP8M018:    GED or alternative credential
        AOP8M019:    Some college, less than 1 year
        AOP8M020:    Some college, 1 or more years, no degree
        AOP8M021:    Associate's degree
        AOP8M022:    Bachelor's degree
        AOP8M023:    Master's degree
        AOP8M024:    Professional school degree
        AOP8M025:    Doctorate degree
 
    Table 4:     Median Household Income in the Past 12 Months (in 2021 Inflation-Adjusted Dollars)
    Universe:    Households
    Source code: B19013
    NHGIS code:  AOQI
        AOQIM001:    Median household income in the past 12 months (in 2021 inflation-adjusted dollars)
 
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Citation and Use of NHGIS Data
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        IPUMS National Historical Geographic Information System: Version 17.0 
        [dataset]. Minneapolis, MN: IPUMS. 2022. 
        http://doi.org/10.18128/D050.V17.0

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